The E398 is the world's first triple-mode LTE modem, as the device supports LTE, 3G and 2G network access, LTE speeds up to 100Mbps unlocking E398 4G modem removes the network lock from the mobile network operators, that HUAWEI E398 will work with 3G mobile broadband operators all over the world, including Vodafone, O2, Orange, T-Mobile, AT&T, Three, Telstra, Optus, etc. and many more GSM and UMTS mobile networkds.